Sunday, February 1, 2009

Water Plays Surprising Role in Climate Change

The twisting road up Mauna Loa's lava fields rises above the clouds.
Credit: CIRES, University of Colorado at Boulder

From Live Science:

This Behind the Scenes article was provided to LiveScience in partnership with the National Science Foundation.

With its sea turtles and surf shops, the Big Island of Hawaii resembles a tropical, watery world. Yet for climate scientists, it's the ideal place to study low-humidity air and the processes that dehydrate the atmosphere.

From the sprawling dome of Mauna Loa — 11,000 feet above Hawaii's coconut-fringed beaches — climate scientists David Noone and Joe Galewsky can track water vapor that's traveled as far as the equator and the pole. They're the first to try to measure vapor's chemical signature in real-time in order to understand the processes controlling the global water cycle.

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The Tech That Makes The Super Bowl Super

From CNET:

At its core, football represents the polar opposite of technology: A bunch of large men run around a field, battling for position and the control of a small pigskin ball.

Of course, the production of an actual NFL game requires lots of technology--from the headsets coaches use to communicate, to the computers used to calculate statistics to the HD cameras that record the contest for the viewing audience.

When it comes to the Super Bowl, one of the biggest sporting events in the world, technology has always played a very central role, and this year is no exception.

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Science May Explain Our Love Of Sports

Super Bowl 42

From Kansas City:

A relatively recent discovery in science may explain our country’s obsession with watching sports — like the expected audience of 90 million or so for today’s Super Bowl.

They call them “mirror neurons,” and they fire in your brain much the same way whether you’re doing something or watching someone else do it. The discovery killed a lot of assumptions scientists had about brain activity.

It explains why you get hungry if you see someone eating a juicy steak, thirsty when you see a cold drink — or excited when you watch sports.

“In a way, your brain is behaving the same way as (the athletes you’re watching),” says Marco Iacoboni, a neuroscientist at UCLA and the author of Mirroring People: The New Science of How We Connect with Others. “Your brain is making the same signals as the athletes you see on the screen, even if you’re just on the sofa eating popcorn.”

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Scientists To Football Players: Give Us Your Brains

Brains! Brains!!: Gaetan Lee (CC Licensed)

From Popular Science:

Amidst a growing body of evidence tying severe health problems to multiple concussions, researchers are tapping NFL stars for a more hands-on corroboration

Whenever rich people gather, charities flock hoping to solicit donations of time and money. But Chris Nowinski is asking NFL players at the Super Bowl this weekend for something a bit more personal. He wants them to donate their brains to science. And he’s getting what he wants.

Nowinski is the founder of the Sports Legacy Institute (SLI), which along with the Boston University School of Medicine is conducting autopsies on former athletes to research the effect of concussive impacts. To date eight former NFL players have promised to donate their brains to science after their death. Nowinski is a former professional wrestler who understands firsthand the potential ramifications of head impacts.

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Do Huge NFL Players Help Teams Win?

From Live Science:

When the Arizona Cardinals meet the Pittsburgh Steelers in Sunday's Super Bowl, every starting offensive lineman will be a member of the 300-pound club.

This season, there were more than 600 players — about 20 percent of the league — in triple donuts. Even with 6-foot plus heights, their Body Mass Index (BMI) levels are all in the range of grade 2 obesity, one step below what's called morbid obesity.

This super-sizing of NFL players has accelerated in recent years, and some studies suggest health risks are growing. But studies are conflicting on this point.

And the big question on the minds of coaches and owners: Do heavier players mean more wins? No, one study found.

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2009 Super Bowl Tech


Cool Science News Editor: Popular Mechanics has posted a number of fun and interesting links to the game of football, and to the Super Bowl. They are listed below ... so read and enjoy.

The Tech Behind the Football Broadcast-Only First Down Line. The yellow first down line is so ingrained now that NFL junkies may be disappointed when a real game reminds them its just an effect. Allen St. John explains the origin of the little line that makes first downs stand out, and how it works.

Meet the Guy Behind the Super Bowl's Sound. Scott Carter captures the grunts, chatter and tackles on the playing field for NFL Films. And he uses more than 300 pounds of gear to do it.

When Will the NFL Broadcast in 3D? A stereoscopic first is coming to Super Bowl XLIII in the form of a 3D commercial break, featuring the debut of Dreamworks Animations' 3D trailer for Monsters vs. Aliens as well as a spot for Sobe drinks. Is 3D football around the corner?

10 Steps in the High-Tech Evolution of Pro Football Helmets. In this exclusive kickoff weekend excerpt from the new PM book How a Curveball Curves: The Incredible Science of Sports, track the high-tech history of brain safety on the gridiron, from "head harnesses" to face masks

6 Questions for Telestrator Inventor Leonard Reiffel. On the eve of Super Bowl XLII, the man behind the digital doodler made famous by John Madden talks about his invention and the evolution of touchscreen tech

HDTV: Everything You Need to Know. We untangle television invention from realitymanual-freeby untangling the top 10 hi-def myths.

Football Physics: The Anatomy of a Hit The average football sack can produce a bone-shattering 1600 lbs of force. Armed with new tools, researchers are now studying the science of a gridiron fundamental: The tackle.

From UGO.com: Guys' Guide to Super Bowl History. Our friends at geek guy site UGO take a look at the history of the Super Bowl, the best games played in the history of the big game, and some of the bigger moments in mid-game entertainment.

High-Tech Brings High Stakes for Super Bowl XLI. With an estimated $7 billion wagered on the Big Game, websites vie for action with increasingly outlandish proposition wagersor prop betsthat make up nearly 50 percent of the total wagers because theyre accessible to those who dont exactly sweat the stat sheets.

Super Bowl XLI: Behind the High-Tech Scenes. Twenty-two guys play it, but 80 million people watch it. So for the biggest broadcast of the year, CBS Sports rigged up Dolphin Stadium with some 50 cameras, hundreds of engineers and a state-of-the-art lighting system special for the Big Game.

Head-Coach Headset Tech: Call in the Geeks. While football purists still get misty recalling a solitary strategist in a fedora scribbling X's and O's on a blackboard, that image of the head coach is as outdated as that of every rookie quarterback calling his own plays.


The Evolution of the Football. From round to watermelon to its present familiar shape, the football has been stoking the passions of fans for over 100 years.

The Physics of ‘The Hit’ -- Superbowl Science

Baltimore running back Willis McGahee was seriously injured after a collision with the Steelers' Ryan Clark in the A.F.C. championship game. Julie Jacobson/Associated Press

From The New York Times:

TAMPA, Fla. — Isaac Newton’s apple hurt considerably less than Ryan Clark’s coconut. But they did have a few things in common.

Clark’s shockingly violent hit on the Baltimore Ravens’ Willis McGahee two Sundays ago — a full-speed, helmet-to-helmet crash that left McGahee unconscious and Clark all but — didn’t just follow the N.F.L.’s rules, but Newton’s as well. Force equaled mass times acceleration. Momentum was conserved. And the bodies finally came to rest, McGahee’s on a stretcher.

“How I look at it, you can be the hammer or the nail,” the inner scientist in Clark explained this week. “I try to be the hammer.”

The tackle, the art of making the ball carrier not stay in motion, is football’s most primeval action. Amusing physicists the way batting averages do actuaries, collisions lead the highlight reels, impart the force of a deadly car crash, and rely upon kinematics that date to a considerably different big bang.

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Saturday, January 31, 2009

How Ancient Greeks Chose Temple Locations

The ancient Greek Temple of Hera in Selinunte, also knowns as "temple E",
at Castelvetrano, in Sicily, Italy. Image from Wikipedia

From Live Science:

To honor their gods and goddesses, ancient Greeks often poured blood or wine on the ground as offerings. Now a new study suggests that the soil itself might have had a prominent role in Greek worship, strongly influencing which deities were venerated where.

In a survey of eighty-four Greek temples of the Classical period (480 to 338 B.C.), Gregory J. Retallack of the University of Oregon in Eugene studied the local geology, topography, soil, and vegetation — as well as historical accounts by the likes of Herodotus, Homer, and Plato — in an attempt to answer a seemingly simple question: why are the temples where they are?

No clear pattern emerged until he turned to the gods and goddesses. It was then that he discovered a robust link between the soil on which a temple stood and the deity worshiped there.

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Ancient Creature Points To Parallel Evolution

Light optical microscope images of placozoans.
(Image from NASA Astrobiology Institute)

From New Scientist:

AN UPDATED family tree of the animal kingdom could radically change the way we think about the evolution of species.

According to conventional thinking, simple animals, including sponges, jellyfish and corals, evolved step-by-step in a linear fashion into those with more complex bodies, such as mammals.

Now Rob DeSalle of the American Museum of Natural History in New York and his colleagues have challenged this way of thinking.

The team analysed DNA and other molecular evidence across the animal kingdom, including tiny sea creatures called placozoans. They have found that the placozoans are the closest living thing to the ancestor of all animals.

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Is Google Broken? -- News Updates On Google's Glitch Today

Google Error Sends Warning Worldwide -- New York Times

Google’s Internet search service malfunctioned for nearly 55 minutes Saturday morning, upending users around the world with search results that carried false safety warnings and Web links that did not work.

The company acknowledged Saturday that all searches produced links with the same warning message: “This site may harm your computer.” Clicking on any of the links led to an error message stating that the desired site could not be reached.

“What happened?” Google explained in its blog. “Very simply, human error.”

Google said it periodically updates its list of sites suspected of carrying dangerous software that could harm computers, and that Saturday morning a Google employee mistyped a Web address for one such site, causing all sites to be flagged harmful.

There was some momentary tension when Google seemed to imply that the glitch was caused by StopBadware.org, the company that helps Google determine which sites are unsafe. Google later posted a statement that took the blame for the error.

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More News On Google's Hiccup Today

Google users get bogus warning on site searches -- AP
Google Flags Whole Internet As Malware -- Washington Post
Google mistakenly warns that search results 'may harm your computer' -- L.A. Times
'Human error' hits Google search -- BBC News
Millions hit by Google 'breakdown' -- The Telegraph
Internet chaos as Google goes gaga -- Daily Mail
Human error causes Google search bug -- Computer World
Google taking security a little too seriously? -- CNET News
Google blames ‘human error’ for search ‘malware’ hiccup -- ZDNet
Google Red-Faced...And Me, Too -- Traffick
Google Glitch Briefly Disrupts World’s Search -- The Lede

Action Sunrise At The Very Large Array


From Live Science:

Astronomers recently used the NSF's Very Large Array (VLA) radio telescope (above) to help find the most distant water yet seen in the Universe, in a galaxy more than 11 billion light-years from Earth. Previously, the most distant water had been seen in a galaxy less than 7 billion light-years from Earth.

The soggy galaxy is dubbed MG J0414+0534. In a region near its core, water molecules are acting as masers, the radio equivalent of lasers, to amplify radio waves at a specific frequency.

The water molecules showed themselves with a tell-tale radio "fingerprint." The first indication came from the giant, 100-meter-diameter radio telescope in Effelsberg, Germany, and scientists confirmed the discovery using the VLA. The astronomers say their finding indicates that such giant, water masers were more common in the early Universe than they are today. MG J0414+0534 is seen as it was when the Universe was roughly one-sixth of its current age.

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Inside Alaska's Explosive Redoubt Volcano

Mount Redoubt volcano in Alaska as seen from the northwest on March 4, 1990. Steam commonly vents from the dome in the crater in between eruptions. Credit: USGS.

From Live Science:

Mount Redoubt volcano in Alaska could erupt within days to weeks, say scientists at the U.S. Geological Survey, amazing the rest of us with their certainty.

Here's what makes them so sure: Magma rising toward the surface from beneath a volcano like Redoubt can cause earthquakes and other seismic rumblings. And seismic activity at Redoubt, which is 106 miles (170 km) southwest of Anchorage, has increased recently.

"If you're going to bring magma to the surface you've got to break rock, and every time rocks break at the subsurface beneath a volcano, that's an earthquake," said volcanologist Charles Mandeville of the American Museum of Natural History in New York. "They're recording a whole bunch of earthquakes almost continuously right now," he said, referring to scientists at the Alaska Volcano Observatory in Anchorage.

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The Biology Of Dating: Why Him, Why Her?

From Time Magazine:

Ah, the eternal question: why is HE with HER? Biological anthropologist Helen Fisher thinks she has found the answer after studying the academic literature on personality and after poring over 40,000 responses to a questionnaire on an online dating site. A Rutgers professor and paid advisor for Chemistry.com, Fisher not only believes in romantic chemistry, but is zeroing in on specific chemicals. She spoke with TIME about her latest book, Why Him, Why Her: Finding Real Love by Understanding Your Personality Type.

A lot of things influence who we're attracted to, but one thing that has always puzzled scientists is the role that personality plays in mate selection. Have you solved that riddle?
There are two parts of personality. There's character, which is everything you grew up to believe and do and think. And then there's temperament, which is your inherited traits. Some people are more stubborn than others, some are more curious, some are more aggressive. What I'm trying to do is add the role of biology, of temperament, to our human understanding of love.

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How Does A Dog Walk? Surprisingly, Many Of Us Don't Really Know

How do dogs walk? It turns out that all four-legged animals step with their left hind leg followed by their left foreleg. Then they step with their right hind leg followed by the right foreleg, and so on. Animals differ from one another only in the timing of that stepping. (Credit: iStockphoto/Tim McCaig)

From Science Daily:


ScienceDaily (Jan. 29, 2009) — Despite the fact that most of us see our four-legged friends walking around every day, most of us-including many experts in natural history museums and illustrators for veterinary anatomy text books-apparently still don't know how they do it.

A new study published in the January 27th issue of Current Biology, a Cell Press publication, shows that anatomists, taxidermists, and toy designers get the walking gait of horses and other quadruped animals wrong about half the time. That's despite the fact that their correct walking behavior was described and published more than 120 years ago.

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Friday, January 30, 2009

Neil Armstrong Walking On The Moon Is Most Memorable Television Moment


From The Telegraph:

Astronaut Neil Armstrong walking on the moon is the most memorable television first, according to a survey of 3,000 people.

More than half chose the moment in 1969 when man first walked on the moon as their most memorable television world first.

Among the other events which left their mark on viewers was the election of Barack Obama as the first African-American president, nominated by 37.5 per cent of people questioned.

Third most memorable was the assassination of President John F Kennedy in 1963, nominated by 27 per cent.

The survey was commissioned by Sony Bravia to mark the UK launch of the world's thinnest LCD TV.

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Rising Acidity Is Threatening Food Web of Oceans, Science Panel Says


From New York Times:

The oceans have long buffered the effects of climate change by absorbing a substantial portion of the greenhouse gas carbon dioxide. But this benefit has a catch: as the gas dissolves, it makes seawater more acidic. Now an international panel of marine scientists says this acidity is accelerating so fast it threatens the survival of coral reefs, shellfish and the marine food web generally.

The panel, comprising 155 scientists from 26 countries and other international groups, is not the first to point to growing ocean acidity as an environmental threat. For example, a group of eminent scientists convened by The Nature Conservancy issued a similar assessment in August. But the new report’s blunt language and international backing give its assessment unusual force. It called for “urgent action” to sharply reduce emissions of carbon dioxide.

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Time To Dive Into Google Ocean?

From PC Pro News:

Google is rumoured to be delving underwater with a new upgrade to its Google Earth software.

Having already conquered the land and the sky, Google is preparing to add maps of the sea beds to the Earth package.

The company is expected to launch Google Ocean at the California Academy of Sciences next week, which includes an aquarium among its attractions.

Vice President turned environmental evangelist, Al Gore, will join Google's chief executive Eric Schmidt and vice president of search Marissa Mayer at the event.

Invitations reportedly describe the launch as "the next big step in the evolution of Google Earth".

The upgrade is expected to provide underwater topography, with a layer showing the depth of the sea floor. It will allow users to search for particular points of interest, such as famous shipwrecks.

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Stem Cell Transplant Reverses Early Stage Multiple Sclerosis


From Eureka Alert:

CHICAGO --- Researchers from Northwestern University's Feinberg School of Medicine appear to have reversed the neurological dysfunction of early-stage multiple sclerosis patients by transplanting their own immune stem cells into their bodies and thereby "resetting" their immune systems.

"This is the first time we have turned the tide on this disease," said principal investigator Richard Burt, M.D. chief of immunotherapy for autoimmune diseases at the Feinberg School. The clinical trial was performed at Northwestern Memorial Hospital where Burt holds the same title.

The patients in the small phase I/II trial continued to improve for up to 24 months after the transplantation procedure and then stabilized. They experienced improvements in areas in which they had been affected by multiple sclerosis including walking, ataxia, limb strength, vision and incontinence. The study will be published online January 30 and in the March issue of The Lancet Neurology.

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Fight Brews Over How To Build A Better Internet

Switch and Data’s PAIX in Palo Alto is a primary Internet exchange point in North America. (Tony Avelar/The Christian Science Monitor)

From Christian Science Monitor:

The stimulus bill has $6 billion to expand broadband access. But who can do it soonest vs. best?

America, where the Internet was invented, has fallen behind many European and East Asian countries in Internet speed, cost, and reach.

Roughly 10 percent of US households have no access to a high-speed, or broadband, data connection. Barely 3 percent have fiber-optic connections capable of delivering high-speed data that future industries are expected to rely on. While countries like Sweden are wiring themselves up with the next-generation Internet, the US is making do with a network roughly on par with Iceland.

So a $6 billion effort to upgrade America’s Internet – part of the stimulus package Congress is trying to pass – would seem a political slam-dunk. The US stimulates its economy right away with projects that would pay dividends well into the 21st century.

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Forecasting Guru Announces: “No Scientific Basis For Forecasting Climate”

Photo: J. Scott Armstrong, founder of the
International Journal of Forecasting


From Watts Up With That?

It has been an interesting couple of days. Today yet another scientist has come forward with a press release saying that not only did their audit of IPCC forecasting procedures and found that they “violated 72 scientific principles of forecasting”, but that “The models were not intended as forecasting models and they have not been validated for that purpose.” This organization should know, they certify forecasters for many disciplines and in conjunction with John Hopkins University if Washington, DC, offer a Certificate of Forecasting Practice. The story below originally appeared in the blog of Australian Dr. Jennifer Marohasy. It is reprinted below, with with some pictures and links added for WUWT readers. - Anthony

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